Posts made in April, 2015

A CheckBox is an on/off switch that can be toggled by the user. You should use check-boxes when presenting users with a group of selectable options that are not mutually exclusive. CheckBox Attributes Following are the important attributes related to CheckBox control. You can check Android official documentation for complete list of attributes and related […]

A RadioGroup class is used for set of radio buttons. If we check one radio button that belongs to a radio group, it automatically unchecks any previously checked radio button within the same group. RadioGroup Attributes Following are the important attributes related to RadioGroup control. You can check Android official documentation for complete list of […]

Some times in your application , if you wanted to ask the user about taking a decision between yes or no in response of any particular action taken by the user, by remaining in the same activity and without changing the screen, you can use Alert Dialog. In order to make an alert dialog , […]

1. What is SQLite? SQLite is an Open Source database. SQLite supports standard relational database features like SQL syntax, transactions and prepared statements. The database requires limited memory at runtime (approx. 250 KByte) which makes it a good candidate from being embedded into other runtimes. SQLite supports the data types TEXT (similar to String in […]

Android provides many ways of storing data of an application. One of this way is called Shared Preferences. Shared Preferences allow you to save and retrieve data in the form of key,value pair. In order to use shared preferences , you have to call a method getSharedPreferences() that returns a SharedPreference instance poiting to the […]

What is GridView? Android GridView shows items in two-dimensional scrolling grid (rows & columns) and the grid items are not necessarily predetermined but they automatically inserted to the layout using a ListAdapter An adapter actually bridges between UI components and the data source that fill data into UI Component. Adapter can be used to supply […]